21326481

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{6949}}^1$

素因数の和:6997

約数の個数: 24

約数和(自身を含む): 34694400

約数和(自身を除く): 13367919

約数列:

[1, 3, 9, 11, 31, 33, 93, 99, 279, 341, 1023, 3069, 6949, 20847, 62541, 76439, 215419, 229317, 646257, 687951, 1938771, 2369609, 7108827, 21326481]

約数ペア:

[(1, 21326481), (3, 7108827), (9, 2369609), (11, 1938771), (31, 687951), (33, 646257), (93, 229317), (99, 215419), (279, 76439), (341, 62541), (1023, 20847), (3069, 6949)]